Supporting device



April '14, 1931. G. T. MOTT 1,801,207

SUPPORTING DEVICE Filed Dec. 12, 1927 A TTOPNEY.

Patented Apr. 14, 1931 UNITED STATES PATENT OFFICE GEORGE T. MOTT, OF PEARL RIVER, NEW YORK The invention relates to hangers for pipes and radiators and similar articles; and has for its object to provide an improved device of this character in which a load-supporting member is provided and arranged to oscillate in a horizontal plane and compensating means are combined therewith to permit such oscillation without any strain on joints, such as is commonly in evidence when a pipe is supported on rolls or the usual hangers.

The invention consists in the novel parts,

. improvements, combinations, and features of construction herein shown and described.

In the accompanying drawing, which is referred to herein and forms part hereof, is

illustrated a preferred embodiment of the invention.

Of the drawing- Fig'lis a front elevation of a hanger constructed in accordance with the principles of the invention Fig. 2 is a side view of the same; and

Fig. 3 is a diagrammatic view, illustrating the movements of the part-s when thedevice i is operated.

Referring in detail to the drawing, the preferred embodiment of the invention therein illustrated comprises a lever or sustaining member 3 centrally and pivotally supported in bracket members l, 5 by a bolt 6, said bracket members being additionally secured together by a second bolt 7. At its opposite ends said lever 3 terminates in yokes 8 and 9. Arranged beneath the lever 3 is a load-supporting member 10, arranged in parallel relation to said lever 3 when the latter is in normal position of rest. At its opposite ends said member 10 also terminates in yokes 11, 12. Connecting said lever 3 and said member 10 are transversely and diagonally disposed compensating levers 13, 14. As shown, the upper end of the lever 13 is pivotally mounted on a bolt-16 extending between the arms of the yoke 8 of said lever 3, while the lower end of said lever 13 is pivotally mounted on a bolt 17 extending between the arms of the yoke 11 on the diagonally opposite end of said member 10. Similarly, the compensating lever 14 has its upper end pivotally Application filed December 12, 1927. Serial No. 239,468.

mounted on a bolt 18 extending between the- SUPPORTING DEVICE arms of the yoke 9 of said leve 3, while its lower end is pivotally mounted on a bolt 19 extending between the arms of the yoke 12 on the diagonally opposite end of the load-supporting member 10. Midway its length the load-supporting member 10 is formed with a depending socket 21 in which is screwed a bolt 22. To this bolt may be secured any suitable load-carrying device.

It is pointed out that the levers 3, 13 and 14 are so proportioned .and arranged and combined with the load-supporting member 10 as to provide compensating action so that, when the said load-supporting member 10 is moved, for example, under the expansion of a steam pipe carried thereby, it will move in a horizontal plane or maintain the level at which it was installed. In this manner all the well known evils due to distortion or displacement of the load-supporting member 10 from the original level of installation are avoided. Describing the device and its operation in further detail it is noted that the sustaining member 3 is, while in its initial or normal line of rest, preferably and as shown arranged in parallel relation to said load-supporting member 10. The members 13, 1.4 which connect the sustaining member 3 and the loadsupporting member 10 are, preferably and as shown, rigid bars or levers although it is to be noted that they may be flexible in nature, as chains, cables and the like. It will be seen that when the load-supporting member 10 is moved, it will move in the initial plane of its installation, in the device as shown, in a horizontal plane, and the end of the sustaining member 3 opposite to the direction of travel of said load-supporting member 10 will move downwardly through an arc of a circle. lVhen the load-supporting member 10 reverses its movement, it will again move in a horizontal plane, while the end of the sustaining member 3 referred to will move upwardly thru the same are. Thus, while the member 10 always moves in initial plane of installation, as a horizontal plane, the member 3 will have a rotating movement.

In the operation of the device it will be observed that if a line be drawn perpendicular to the horizontal stress center line of said 7 ing an angular apex at 18, which load-supporting member and terminating at a point in the parallel plane in which the center point of suspension 6 occurs, this line, when the member 10 moves in its original plane of installation, as say to'the left in Fig. 1, Will no longer be in perpendicular to said member 10 but. will bediverted therefrom and be lengthened. This increase in length is compensated for by a variation of the position of the sustaining member 3 across the horizontal plane in'which occurs the suspension point 6 and by the incident variation in the angular relationship of the member 3 to the horizontal, and the further variable angular relationship of the member 3 to the compensating lever, 14, say, when the member 10 is moved to the left, form- 3 angular relationship inthe preferred form illustratedis further indicated in the angles of which the points, 16, 17 and 19, respectively, indicate apices.

Referring now to Fig. 3, the device, when in equilibrium, is indicated in full lines. When the'load-supporting member 10 is moved ,to the left, say, to the point A, the

q mem'ber3 willpivot on the point 6 and, de-

scribing an arc of a circle, will assume'the position shown by the line 3 Th s movement of the member 3 will bring the supplemental lever 13 into the position shown by the dotted line 13 while the'member 1-l--will be brough-tinto the position shown by the dotted'line 14 If the movement be continued further, .to

the second point B, the member3 will assume the position indicated-by the dot-and-dash while the, member 13 will assume the by the dot-and-dash line 13 line 3 position shown and the memberlt will take the position shown by the dot-and-dash line 14 .Of course, movement of the load-support-v 7 ing member 10 in the opposite direction has a similar effect except that vit causes the mein her 3 to rock in a counter clockwise direcmental levers arranged between said loadsupporting member and said first-named,

of saidfirsthamed lever, whereby when said load-supportingmembermoves injits original line of installation in elther direction, one of said supplemental levers Wlll vary in positive degree in its angular relationship to said load-supporting member and the other of said supplemental levers will vary in COI11- pensating negative degree. I

2. A supporting device including in combination, a load-supporting member adapted to be rigidly connected to a load and arranged to oscillate withthe load while main taining its original substantially horizontal line of installation, a lever spaced apartfrom said load-supporting member and mounted pivota-lly in'fixed vertical; dimension thereto, and supplemental levers arranged between said load-supporting member and said firstnamed lever, said supplemental levers being freely crossed and each pivotally connected at one end to said load-suppor=ting member and at its other end to the diagonally opposite part of said first-named lever, whereby when said load-supporting member moves in its.

In testimony whereof, I have atliXed my 3 signature hereto. I

yGE ORGE 'l .,MOTT;

tionabout the pivot 6, and the parts 13 and 14 will also move in a direction .oppositeto that first described} Other advantages of the in-.

vention will be apparent to those skilled in the art.

The invention in its broader aspects is not 1 limited to the precise construction shown a and ,described,.as many changes may be made in thedetails thereof without departing from' the main principles of the invention orsacrificing any of its advantages. I claim: V 1. A supporting device includingin combination, a load-supporting memberadapted to herigidly connected to a load and arzrangejd to oscillate with the load while maintaining its original line of installation, a lever spaced apart from said load-supporting member and mounted pivotally in fixed perpendicular dimension thereto, and supple- 

